CN205121924U - English teaching display device - Google Patents
English teaching display device Download PDFInfo
- Publication number
- CN205121924U CN205121924U CN201520942348.2U CN201520942348U CN205121924U CN 205121924 U CN205121924 U CN 205121924U CN 201520942348 U CN201520942348 U CN 201520942348U CN 205121924 U CN205121924 U CN 205121924U
- Authority
- CN
- China
- Prior art keywords
- english teaching
- crossbeam
- support
- lead screw
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The utility model provides an english teaching display device, includes the base, be equipped with the support on the base, the intermediate position of support vertically is equipped with the lead screw, be equipped with the nut on the lead screw, be equipped with the sprocket on the nut no. One, a sprocket passes through the chain and is connected with no. Two epaxial sprockets of motor output, the top and the crossbeam of lead screw are connected, the both ends of crossbeam articulate through the pivot has the stand, the top of stand is equipped with the blind hole, still includes the back timber, the both sides bottom of back timber be equipped with with the blind hole boss that cooperatees. The utility model discloses can go up the height of curtain through lead screw adjustment couple, make things convenient for watching of student, the stand can merge with the crossbeam, and the lead screw reduces in returning the early support that contracts the utility model discloses a volume is conveniently deposited, saves indoor space.
Description
Technical field
The utility model relates to a kind of English teaching exhibiting device.
Background technology
In teaching process, because teacher only just cannot can make students content with oral teaching, so often use exhibiting device when imparting knowledge to students, the use of exhibiting device not only can show the emphasis that classroom will learn for a long time, and the time of thinking and memory can be left to student, be conducive to students knowledge, improve the school grade of student.
Summary of the invention
The purpose of this utility model is to provide a kind of English teaching exhibiting device.Solve the problem that existing English teaching exhibiting device volume is large, can not change shape, take up room in a large number.
Described object is achieved by the following scheme: a kind of English teaching exhibiting device, comprise base, described base is provided with support, the centre position of described support is longitudinally provided with leading screw, described leading screw is provided with nut, described nut is provided with a sprocket wheel, a described sprocket wheel is connected with on motor output shaft No. two sprocket wheel by chain, the top of described leading screw is connected with crossbeam, the two ends of described crossbeam are hinged with column by rotating shaft, the top of described column is provided with blind hole, also comprises back timber, and the bottom, both sides of described back timber is provided with the boss that to match with blind hole.
The bottom of described base is provided with runner.
The fixed block preventing nut from moving up and down is provided with in described support.
The edge of described support is provided with the through hole that chain passes.
Described back timber is provided with multiple hook.
The utility model has the following advantages: the utility model can by the height of the upper curtain of leading screw adjustment hook, and facilitate the viewing of student, column can merge with crossbeam, in leading screw retraction support morning, reduce volume of the present utility model, conveniently deposit, save indoor space.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1-base, 2-support, 3-leading screw, 4-nut, 5-sprocket wheel, 6-chain, 7-motor, 8-No. bis-sprocket wheels, 9-crossbeam, 10-rotating shaft, 11-column, 12-blind hole, 13-back timber, 14-boss, 15-runner, 16-fixed block, 17-through hole, 18-links up with.
Embodiment
The utility model is elaborated preferred embodiment below in conjunction with accompanying drawing.
A kind of English teaching exhibiting device, comprise base 1, described base 1 is provided with support 2, the centre position of described support 2 is longitudinally provided with leading screw 3, described leading screw 3 is provided with nut 4, described nut 4 is provided with a sprocket wheel 5, a described sprocket wheel 5 is connected with No. two sprocket wheels 8 on motor 7 output shaft by chain 6, the top of described leading screw 3 is connected with crossbeam 9, the two ends of described crossbeam 9 are hinged with column 11 by rotating shaft 10, the top of described column 11 is provided with blind hole 12, also comprises back timber 13, and the bottom, both sides of described back timber 13 is provided with the boss 14 that to match with blind hole 12.The bottom of described base 1 is provided with runner 15.The fixed block 16 preventing nut 4 from moving up and down is provided with in described support 2.The edge of described support 2 is provided with the through hole 17 that chain 6 passes.Described back timber 13 is provided with multiple hook 18.
Fixed block 16 is four, be welded on the inner side of support 2 respectively, prevent moving up and down of nut 4, motor 7 is connected with the power lead in classroom by connecting line, motor 7 is clockwise and anticlockwise motor, motor 7 and No. two sprocket wheels 8 are threaded connection, column 11 is erected on crossbeam 9 by runner 10, boss 14 on back timber 13 is arranged in blind hole 12, form complete framework, the teaching material shown is needed to print on curtain English teaching, be suspended on hook 18, drive motor 7, No. two sprocket wheels 8 drive the nut 4 on a sprocket wheel 5 to rotate by chain 6, leading screw 3 rotates simultaneously, by crossbeam 9 jack-up, convenient student viewing is below to the English content on curtain, with after back timber 13 is taken, by rotating shaft 10, column 11 and crossbeam 9 are merged, leading screw 3 is retracted original position, carried out by runner 15.
Present embodiment does not just limit its protection domain to the exemplary illustrated of this patent; those skilled in the art can also carry out local to it and change; as long as no the Spirit Essence exceeding this patent, be all considered as the equivalent replacement to this patent, all at the protection domain of this patent.
Claims (5)
1. an English teaching exhibiting device, comprise base (1), it is characterized in that: described base (1) is provided with support (2), the centre position of described support (2) is longitudinally provided with leading screw (3), described leading screw (3) is provided with nut (4), described nut (4) is provided with a sprocket wheel (5), a described sprocket wheel (5) is connected with No. two sprocket wheels (8) on motor (7) output shaft by chain (6), the top of described leading screw (3) is connected with crossbeam (9), the two ends of described crossbeam (9) are hinged with column (11) by rotating shaft (10), the top of described column (11) is provided with blind hole (12), also comprise back timber (13), the bottom, both sides of described back timber (13) is provided with the boss (14) that to match with blind hole (12).
2. English teaching exhibiting device according to claim 1, is characterized in that: the bottom of described base (1) is provided with runner (15).
3. English teaching exhibiting device according to claim 1, is characterized in that: be provided with the fixed block (16) preventing nut (4) from moving up and down in described support (2).
4. English teaching exhibiting device according to claim 1, is characterized in that: the edge of described support (2) is provided with the through hole (17) that chain (6) passes.
5. English teaching exhibiting device according to claim 1, is characterized in that: described back timber (13) is provided with multiple hook (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520942348.2U CN205121924U (en) | 2015-11-24 | 2015-11-24 | English teaching display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520942348.2U CN205121924U (en) | 2015-11-24 | 2015-11-24 | English teaching display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205121924U true CN205121924U (en) | 2016-03-30 |
Family
ID=55577510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520942348.2U Expired - Fee Related CN205121924U (en) | 2015-11-24 | 2015-11-24 | English teaching display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205121924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192003A (en) * | 2018-11-06 | 2019-01-11 | 河南机电职业学院 | A kind of English teaching displaying device |
-
2015
- 2015-11-24 CN CN201520942348.2U patent/CN205121924U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192003A (en) * | 2018-11-06 | 2019-01-11 | 河南机电职业学院 | A kind of English teaching displaying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20171124 |